>tr|L7PG50|L7PG50_HUMAN MHC class I antigen OS=Homo sapiens GN=HLA-B SHSMRYFYTAMSRPGRGEPRFITVGYVDDTLFVRFDSDATSPRKEPRAPWIEQEGPEYWD RETQISKTNTQTYRENLRTALRYYNQSEAGSHIIQRMYGCDVGPDGRLLRGYDQDAYDGK DYIALNEDLSSWTAADTAAQITQPKWEAARVAEQDRAYLEGLCVESLRRYLENGKETLQR A